Finding the Fourth Proportional to 133,325.08, 183,991.26 and 72,899.48
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Solution
The fourth proportional to 133,325.08, 183,991.26 and 72,899.48 is: 100,602.73
Step by Step Solution
- Step 1: Write the proportion equation
133,325.08 : 183,991.26 = 72,899.48 : x - Step 2: Convert to fraction form
133,325.08/183,991.26 = 72,899.48/x - Step 3: Cross multiply
133,325.08x = 183,991.26 × 72,899.48 - Step 4: Simplify right side
133,325.08x = 13,412,867,178.54 - Step 5: Solve for x
x = 13,412,867,178.54/133,325.08 - Step 6: Final answer
x = 100,602.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.